.header {
  border-bottom: solid 5px #40a8a5;
  .header-seaction {
    width: 1100px;
    margin: 0 auto;
    height: 70px;
    line-height: 70px;
    .header-logo {
      float: left;
      a {
        font-weight: 700;
        font-size: 18.75px;
        color: #17a2b8;
        i {
          font-weight: 700;
        }
      }
    }
    .nav {
      float: left;
      margin-left: 20px;

      ul {
        li {
          display: block;
          float: left;
          margin-right: 21px;
          a {
            color: #999;
            font-weight: 700;
            &:hover {
              color: #212529;
            }
          }
        }
      }
    }
    .message {
      float: left;
      i {
        margin-left: 10px;
        font-size: 18px;
        font-weight: 700;
        margin-top: 28px;
        color: #999;
        position: absolute;
        &:hover {
          color: #007bff;
        }
      }
      span {
        position: relative;
        top: -8px;
        left: 20px;
        font-size: 14px;
        border: solid 1px red;
        background-color: red;
        border-radius: 20px;
        color: white;
      }
    }
    .person {
      float: right;
      position: relative;
      img {
        width: 25px;
        height: 25px;
        border-radius: 5px;
        vertical-align: middle;
      }
      label {
        color: #999;
        &:hover {
          color: #212529;
        }
      }
      input[type='checkbox'] {
        display: none;
        &:checked + .person-menu {
          display: block;
        }
      }
      .person-menu {
        display: none;
        position: absolute;
        width: 150px;
        border-radius: 5px;
        background: #fff;
        a {
          display: block;
          color: #999;
          margin-top: 10px;
          margin-bottom: 10px;
          margin-left: 10px;
          font-size: 15px;
          line-height: 28px;
          &:hover {
            color: #212529;
            background: #999;
          }
        }
      }
    }
  }
}
